rust/tests/compile-test.rs

133 lines
3.8 KiB
Rust

#![feature(test)]
use compiletest_rs as compiletest;
use compiletest_rs::common::Mode as TestMode;
use std::env::{self, set_var};
use std::ffi::OsStr;
use std::fs;
use std::io;
use std::path::{Path, PathBuf};
mod cargo;
#[must_use]
fn rustc_test_suite() -> Option<PathBuf> {
option_env!("RUSTC_TEST_SUITE").map(PathBuf::from)
}
#[must_use]
fn rustc_lib_path() -> PathBuf {
option_env!("RUSTC_LIB_PATH").unwrap().into()
}
fn default_config() -> compiletest::Config {
let build_info = cargo::BuildInfo::new();
let mut config = compiletest::Config::default();
if let Ok(name) = env::var("TESTNAME") {
config.filter = Some(name);
}
if rustc_test_suite().is_some() {
let path = rustc_lib_path();
config.run_lib_path = path.clone();
config.compile_lib_path = path;
}
let disambiguated: Vec<_> = cargo::BuildInfo::third_party_crates()
.iter()
.map(|(krate, path)| format!("--extern {}={}", krate, path.display()))
.collect();
config.target_rustcflags = Some(format!(
"-L {0} -L {1} -Dwarnings -Zui-testing {2}",
build_info.host_lib().join("deps").display(),
build_info.target_lib().join("deps").display(),
disambiguated.join(" ")
));
config.build_base = if rustc_test_suite().is_some() {
// we don't need access to the stderr files on travis
let mut path = PathBuf::from(env!("OUT_DIR"));
path.push("test_build_base");
path
} else {
build_info.host_lib().join("test_build_base")
};
config.rustc_path = build_info.clippy_driver_path();
config
}
fn run_mode(cfg: &mut compiletest::Config) {
cfg.mode = TestMode::Ui;
cfg.src_base = Path::new("tests").join("ui");
compiletest::run_tests(&cfg);
}
#[allow(clippy::identity_conversion)]
fn run_ui_toml_tests(config: &compiletest::Config, mut tests: Vec<tester::TestDescAndFn>) -> Result<bool, io::Error> {
let mut result = true;
let opts = compiletest::test_opts(config);
for dir in fs::read_dir(&config.src_base)? {
let dir = dir?;
if !dir.file_type()?.is_dir() {
continue;
}
let dir_path = dir.path();
set_var("CARGO_MANIFEST_DIR", &dir_path);
for file in fs::read_dir(&dir_path)? {
let file = file?;
let file_path = file.path();
if file.file_type()?.is_dir() {
continue;
}
if file_path.extension() != Some(OsStr::new("rs")) {
continue;
}
let paths = compiletest::common::TestPaths {
file: file_path,
base: config.src_base.clone(),
relative_dir: dir_path.file_name().unwrap().into(),
};
let test_name = compiletest::make_test_name(&config, &paths);
let index = tests
.iter()
.position(|test| test.desc.name == test_name)
.expect("The test should be in there");
result &= tester::run_tests_console(&opts, vec![tests.swap_remove(index)])?;
}
}
Ok(result)
}
fn run_ui_toml(config: &mut compiletest::Config) {
config.mode = TestMode::Ui;
config.src_base = Path::new("tests").join("ui-toml").canonicalize().unwrap();
let tests = compiletest::make_tests(&config);
let res = run_ui_toml_tests(&config, tests);
match res {
Ok(true) => {},
Ok(false) => panic!("Some tests failed"),
Err(e) => {
println!("I/O failure during tests: {:?}", e);
},
}
}
fn prepare_env() {
set_var("CLIPPY_DISABLE_DOCS_LINKS", "true");
set_var("CLIPPY_TESTS", "true");
//set_var("RUST_BACKTRACE", "0");
}
#[test]
fn compile_test() {
prepare_env();
let mut config = default_config();
run_mode(&mut config);
run_ui_toml(&mut config);
}